Hourly Weather Forecast - Santa Mercedes, São Paulo, BR

12 AM
77°F
30%
2mph
NNW
30% Chance Rain Showers
Humidity
83%
Feels like
77°F
Dew Point
72°F
1 AM
76°F
30%
2mph
N
30% Chance Rain Showers
Humidity
85%
Feels like
76°F
Dew Point
72°F
2 AM
76°F
20%
3mph
NNE
Partly Cloudy
Humidity
88%
Feels like
76°F
Dew Point
72°F
3 AM
75°F
20%
3mph
NNE
Partly Cloudy
Humidity
90%
Feels like
75°F
Dew Point
71°F
4 AM
74°F
30%
2mph
NNE
30% Chance Rain Showers
Humidity
92%
Feels like
74°F
Dew Point
71°F
5 AM
73°F
30%
2mph
NE
30% Chance of Light Rain
Humidity
92%
Feels like
73°F
Dew Point
71°F
5:42 AM
6 AM
74°F
20%
2mph
NE
Cloudy
Humidity
90%
Feels like
74°F
Dew Point
71°F
7 AM
76°F
20%
4mph
NNE
Cloudy
Humidity
88%
Feels like
76°F
Dew Point
72°F
8 AM
79°F
10%
6mph
NNE
Partly Cloudy
Humidity
80%
Feels like
79°F
Dew Point
72°F
9 AM
83°F
10%
8mph
NNE
Mostly Sunny
Humidity
71%
Feels like
88°F
Dew Point
72°F
10 AM
86°F
30%
9mph
NNE
30% Chance Rain Showers
Humidity
64%
Feels like
92°F
Dew Point
72°F
11 AM
88°F
20%
10mph
NNE
Partly Cloudy
Humidity
59%
Feels like
94°F
Dew Point
72°F
12 PM
90°F
20%
10mph
NNE
Partly Cloudy
Humidity
55%
Feels like
96°F
Dew Point
71°F
1 PM
91°F
20%
10mph
NNE
Partly Cloudy
Humidity
51%
Feels like
97°F
Dew Point
70°F
2 PM
92°F
20%
9mph
NNE
Partly Cloudy
Humidity
48%
Feels like
97°F
Dew Point
69°F
3 PM
92°F
20%
9mph
NNE
Partly Cloudy
Humidity
45%
Feels like
97°F
Dew Point
68°F
4 PM
92°F
20%
8mph
NNE
Partly Cloudy
Humidity
44%
Feels like
95°F
Dew Point
67°F
5 PM
91°F
20%
8mph
NNE
Partly Cloudy
Humidity
45%
Feels like
94°F
Dew Point
67°F
6 PM
89°F
20%
7mph
NNE
Partly Cloudy
Humidity
48%
Feels like
91°F
Dew Point
66°F
7 PM
86°F
20%
5mph
NNE
Partly Cloudy
Humidity
53%
Feels like
88°F
Dew Point
67°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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